# N57215: Boeing PT-17, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: Valid registration
- Airframe: [Boeing PT-17](https://openairdocs.org/model/boeing-pt-17) (registry code 1380136)
- Serial number: 75-2804  (41-25315)
- Type of aircraft: Fixed wing single engine
- Mode S code: A75870
- Owner when cancelled: [Knoblock Sidney/Gannon John F](https://openairdocs.org/faa-owner/KNOBLOCK%20SIDNEY%2FGANNON%20JOHN%20F)
- Location: [Pasadena, CA](https://openairdocs.org/faa-place/CA/Pasadena)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N57215
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=57215
- Page: https://openairdocs.org/deregistered/N57215-undated

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing PT-17: https://openairdocs.org/model/boeing-pt-17.md

## Other aircraft with N57215

- [Cancelled 2014-10-29](https://openairdocs.org/deregistered/N57215-2014-10-29): Raven S55A, S/N S55A-724, built 1980. Registration expired, pending cancellation. Owner: [Billboards In The Wind](https://openairdocs.org/faa-owner/BILLBOARDS%20IN%20THE%20WIND), [Indianola, IA](https://openairdocs.org/faa-place/IA/Indianola)

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